Highly critical zero day vulnerability in Windows discovered

H Online posted a story that a vulnerability in the 64-bit version of Windows 7 may permit attackers to run malicious code with kernel privileges

Secunia has reported that an unpatched security vulnerability in the 64-bit version of Windows 7 may be able to be exploited to inject and execute malicious code; currently, the only known exploit causes the system to crash.

It is possible to trigger a memory error in the system file win32k.sys by accessing a crafted HTML file in Safari.